Ioannis Refanidis - Publications

2013

• Dimitrios Sklavakis and Ioannis Refanidis, “MATHESIS: An Intelligent Web-Based Algebra Tutoring School International Journal of Artificial Intelligence in Education”. International Journal of Artificial Intelligence in Education (IJAIED), IOS Press.
• Anastasios Alexiadis and Ioannis Refanidis, “Post-Optimizing Individual Activity Plans through Local Search”. In Proceedings of ICAPS 2013 Workshop on Constraint Satisfaction Techniques for Planning and Scheduling Problems (COPLAS), pp. 7-15. Rome, 2013. Also presented at the ICAPS 2013 Application Showcase program, pp.1.
• Anastasios Alexiadis and Ioannis Refanidis, “Generating Alternative Plans for Scheduling Personal Activities”. In Proceedings of ICAPS 2013 Workshop on Scheduling and Planning Applications (SPARK), pp. 35-40. Rome, 2013.
• George Markou and Ioannis Refanidis, “Mad Swan: A Semantic Web Service Composition System”. Poster presentation at the 10^th European Semantic Web Conference (ESWC 2013), Montpellier, France. Proceedings published by Springer, LNCS 7955.
• Nikolaos Papahristou and Ioannis Refanidis, AnyGammon: Playing backgammon variants using any board size. In Proceedings of the 8th International Conference on the Foundations of Digital Games (FDG-2013), Research & experimental game festival, pp. 410-412, Chania, Crete, May 2013.

2012

• George Markou and Ioannis Refanidis, “Towards an Automatic Non-Deterministic Web Service Composition Platform”. In Proceedings of 8^th International Conference on Next Generation Web Services Practices, pp. 372-377, IEEE, Sao Carlos, Brazil, November 2012.
• Nikolaos Papahristou and Ioannis Refanidis, “On the Design and Training of Bots to play Backgammon Variants”. In Proceedings of the 8^th International Conference on Artificial Intelligence Applications and Innovations, Series IFIP vol. 381, Springer, pp. 78-87. Halkidiki, Greece.
• Ioannis Papikas and Ioannis Refanidis, “Fast Path Planning through Segmentation of the Map into Manhattan-cohesive Areas”. In proceedings of the 5^th Annual Symposium on Combinatorial Search (SoCS 2012), short paper, in conjunction with AAAI-2012, Niagara Falls, Canada, July 2012. AAAI Press.
• Anastasios Alexiadis and Ioannis Refanidis, “Meeting the Objectives of Personal Activity Scheduling through Post-Optimization”. First International Workshop on Search Strategies and Non-standard Objectives (SSNOWorkshop'12), in conjunction with CPAIOR-2012, Nantes, France.
• George Markou and Ioannis Refanidis, “Towards Automatic Non-Deterministic Web Service Composition” (short paper). In Proceedings of the 7^th International Conference on Internet and Web Applications and Services (ICIW), pp. 118-122, Stuttgart, Germany, June 2012. Published by ThinkMind, ISBN 978-1-61208-200-4.
• Ioannis Refanidis and Ilias Sakellariou, “Computing higher order exclusion relations in propositional planning”. Journal of Experimental & Theoretical Artificial Intelligence, DOI:10.1080/0952813X.2012.660991.

2011

• Nikolaos Papahristou and Ioannis Refanidis, “Improving Temporal Difference Learning Performance in Backgammon Variants”. In Advances in Computer Games, Lecture Notes in Computer Science, Volume 7168, Pages 134-145, Springer.
• Dimitrios Sklavakis and Ioannis Refanidis, “The MATHESIS Semantic Authoring Framework: Ontology-Driven Knowledge Engineering for ITS Authoring”. In Proceedings of the 15^th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems, LNCS 6882, pp. 114-123, Springer. Kaiserslautern, Germany, September 2011.
• Ioannis Refanidis, “A Dynamic Programming Formulation of Scheduling Non-Deterministic Activities with Stochastic Durations”. International Journal of Artificial Intelligence, vol. 7, no. A11, pp. 1-18, CESER Publications.
• Ioannis Refanidis, Anastasios Alexiadis and Neil Yorke-Smith, “Beyond Calendar Mashups: SELFPLANNER 2.0”. Entry at the ICAPS-2011 demo session (pdf
).
• Nikos Papahristou and Ioannis Refanidis, “Training neural networks to play backgammon variants using reinforcement learning”. In Proceedings of the 3^rd European event on Bio-inspired Algorithms in Games, LNCS 6624, pp. 113-122, Springer. Torino, Italy, 2011.
• Ioannis Refanidis and Anastasios Alexiadis, “Deployment and Evaluation of SelfPlanner, an Automated Individual Task Management System”. Computational Intelligence, 27(1), 41-59.

2010

• Ioannis Refanidis and Neil Yorke-Smith, “A Constraint Based Programming Approach to Scheduling an Individual's Activities”. ACM Transactions on Intelligent Systems and Technologies, vol. 1 (2), 2010.
• D. Sklavakis and I. Refanidis, “Ontology-Based Authoring of Intelligent Model-Tracing Math Tutors”. In Proc. of the 14^th International Conference on AI: Methodology, Systems, Applications (AIMSA-2010), Varna, Bulgaria, 2010. Springer/LNAI 6304, pp. 201-210.
• E. Moka and I. Refanidis, “Towards Intelligent Management of a Student's Time”. In Proceedings of the 6^th Greek Conference on Artificial Intelligence (SETN-2010), Athens, Greece. Springer LNAI 6040, pp. 383–388.
• D. Sklavakis and I. Refanidis, “MATHESIS: A Web Based Intelligent Tutoring School for Algebra”. Entry at the Intelligent System Demonstration of the 6^th Hellenic Conference on Artificial Intelligence, Athens, Greece, 2010.

2009

• Alfonso Gerevini, Adele Howe, Amedeo Cesta and Ioannis Refanidis (editors). Proceedings of the 19^th International Conference on Automated Planning and Scheduling. AAAI Press.
• Ioannis Refanidis and Ilias Sakellariou, “A Systematic and Complete Algorithm to Compute Higher Order Exclusion Relations”. In Proceeding of the ICAPS-2009 Workshop on Constraint Satisfaction Techniques for Planning and Scheduling Problems (COPLAS'2009), Thessaloniki, Greece, 2009, pp. 33-42.
• Ioannis Refanidis and Neil-Yorke Smith, “On Scheduling Events and Tasks by an Intelligent Calendar Assistant”. In Proceedings of the ICAPS-2009 Workshop on Constraint Satisfaction Techniques for Planning and Scheduling Problems (COPLAS'2009), Thessaloniki, Greece, 2009, pp. 43-52.
• Also: Ioannis Refanidis and Neil Yorke-Smith, “Scheduling Events and Tasks by an Intelligent Calendar Assistant”. SRI International technical report, 2009.
• Dimitris Sklavakis and Ioannis Refanidis, “The MATHESIS Ontology: Reusable Authoring Knowledge for Reusable Intelligent Tutors”. In Proceedings of the 7^th International Workshop on Ontologies and Semantic Web for E-Learning (SWEL), pp. 86-90. In conjunction with AIED-2009, Brighton, UK, July 2009.
• Eleni Dagkli and Ioannis Refanidis, “MIXPLAN: A CLP-based Mixed-initiative Planning System for Temporal Domains”. In Proceedings of the 4^th Balkan Conference on Informatics (BCI-09), pp. 73-78, IEEE Computer Society. Thessaloniki, Greece, 2009.
• Dimitris Sklavakis and Ioannis Refanidis, “The MATHESIS Algebra Tutor: Web-based Expert Tutoring via Deep Model Tracing”. In Proceedings of AIED-2009, p.795, IOS Press. Interactive Event of the 14^th International Conference on Artificial Intelligence in Education, Brighton, 2009.
• George Markou and Ioannis Refanidis, “MSRS: Critique on its usability via a path planning algorithm implementation”. In Proceedings of the 5^th IFIP Conference on Artificial Intelligence Applications & Innovations (AIAI 2009), pp. 311-320, Springer. Thessaloniki, Greece.
• Anastasios Alexiadis and Ioannis Refanidis, “Defining a Task’s Temporal Domain for Intelligent Calendar Applications”. In Proceedings of the 5^th IFIP Conference on Artificial Intelligence Applications & Innovations (AIAI 2009), pp. 399-406, Springer. Thessaloniki, Greece.

2008

• I. Refanidis and A. Alediadis, “SelfPlanner: Planning your time!”. In Proceedings of the ICAPS 2008 Workshop on Scheduling and Planning Applications (SPARK), Sydney, 2008.
• D. Sklavakis and I. Refanidis, “An Individualized Web-based Algebra Tutor Based on Dynamic Deep Model Tracing”. 5^th Hellenic Conference on Artificial Intelligence, Syros, Greece. LNAI 5138, pp. 389-394, Springer.

2007

• I. Refanidis and A. Alexiadis, “SelfPlanner: A Intelligent Web-based Calendar Application”. Presentation at the demo session of the 17^th International Conference on Automated Planning and Scheduling Systems (ICAPS-07), Providence, Rhode Island, US, September 2007. (PDF)
• I. Refanidis, “Managing Personal Tasks with Time Constraints and Preferences”. In Proceedings of the 17^th International Conference on Automated Planning and Scheduling Systems (ICAPS-07), pp. 272-279, Providence, Rhode Island, US, September 2007. AAAI Press. (PDF, data)

2006

• I. Refanidis, D. Gkemitzis and G.Stephanides. Scheduling Personal Time using Squeaky Wheel Optimization. ECAI-06 Workshop on Modelling and Solving Problems with Constraints. Trentino, Italy, 2006. (PDF, source_code, CLP, problems, problem_generator)

2005

• I. Refanidis. Stratified heuristic POCL temporal planning based on planning graphs and constraint programming. ICAPS-05 Workshop on Constraint Programming for Planning and Scheduling, Monterey , California, 2005. (PDF, data_files)

2004

• I. Refanidis, Thomas L. McCluskey and Yannis Dimopoulos. Planning Services for Individuals: A New Challenge for the Planning Community. ICAPS-04 Workshop on Connecting Planning Theory with Practice, Whistler, British Columbia, Canada, 2004. (PDF)

2003

• I. Refanidis and I. Vlahavas, "Multiobjective Heuristic State-Space Planning", Artificial Intelligence Journal, vol 145/1-2 pp 1 – 32, 2003 (Elsevier ScienceDirect)  (DRAFT VERSION: Postscript, PDF, Online Appendix).

2002

• I. Refanidis, I. Vlahavas and K. Paparrizos. Resource Allocation for Crisis Management using Planning. Accepted for presentation at the 15th National Conference of the Hellenic Operation Research Society, Tripoli, 2002 (abstract).
• I. Refanidis and I. Vlahavas, "The MO-GRT System: Heuristic Planning with Multiple Criteria", AIPS-02 Workshop on Planning and Scheduling with Multiple Criteria, Toulouse, France, 2002 (PDF, PostScript).
• I. Stamelos and I. Refanidis, Decision Making Based On Past Problems Cases, 2nd Helenic Conference for Artificial Intelligence, April 2002, Thessaloniki, Springer-Verlag, pp. 42-53 (PDF, Postscript).

2001

• I. Refanidis and I. Vlahavas, "The GRT Planner", AI-Magazine, Fall 2001 (PostScript).
• I. Refanidis and I. Vlahavas, "The GRT Planner: Backward Heuristic Construction in Forward State-Space Planning", Journal of Artificial Intelligence Research, 15 (2001), pp. 115-161 (Postscript, gzipped Postscript, PDF, OnlineAppendix)
• I. Refanidis and I. Vlahavas, "A Framework for Multi-Criteria Plan Evaluation in Heuristic State-Space Planning", to be presented in IJCAI-01 workshop on Planning with Resources, Seattle, Washington, August 2001 (postscript, zipped postsript).
• D. Vrakas, I. Refanidis and I. Vlahavas, "Parallel Planning via the Distribution of Operators", Journal of Experimental and Theoretical Artificial Intelligence, to appear (PDF)
• I. Refanidis, N. Bassiliades and I. Vlahavas, "AI Planning in Transportation Logistics", 17th International Logistics Congress, Thessaloniki, October 2001, to be presented (PDF).
• I. Refanidis and I. Vlahavas, "The GRT Planner: New Results", In ECAI-00 PostWorkshop Proceedings in Local Search Techniques for Planning and Scheduling, Springer, LNAI 2148, 120-138 (zipped postscript).
• E. Hatzikraniotis, I. Lefkos, G. Bisdikian, D. Psillos, I. Refanidis and I. Vlahavas, "An open learning environment for thermal phenomena", 5th International Conference on Computer Based Learning in Science (CBLIS 2001). Brno, Czech Republic, July 2001 (PDF).

2000

• E. Hatzikraniotis, G. Bisdikian, I. Refanidis, I. Vlahavas and D. Psillos, "A virtual laboratory on Heat Phenomena", 5^th Workshop on Multimedia in Physics Teaching and Learning, Vienna, October 2000.
• I. Refanidis and I. Vlahavas, "Heuristic Planning with Resources", 14^th European Conference on Artificial Intelligence, Berlin, August 2000 (zipped postsctipt).
• I. Stamelos, I. Refanidis, P. Katsaros, A. Tsoukias, I. Vlahavas and A. Pombortsis, "An Adaptable Framework for Educational Software Evaluation", in Recent Developments and Applications in Decision Making, ed. S.H. Zanakis, C. Zopounidis, G. Doukidis, Kluwer Academic Publishers, to appear in 2000.
• D. Vrakas, I. Refanidis and I. Vlahavas, "An Operator Distribution Method for Parallel Planning", in AAAI-00 Workshop on Parallel and Distributed Search for Reasoning. Austin Texas. July 2000 (zipped postscript

).

• I. Refanidis and I. Vlahavas, "Exploiting State Constraints in Heuristic State-Space Planning ", 5th International Conference on Artificial Intelligence Planning and Scheduling Systems (AIPS-2000), Breckenridge, Colorado, USA, April 2000 (zipped postsctip).
• I. Refanidis and I. Vlahavas, "A Heuristic Based Approach to Planning in Strips Domains", in Advances in Informatics, ed. by D.I. Fotiadis and S.D. Nikolopoulos, World Scientific, April 2000 (zipped postscript).
• I. Stamelos, I. Vlahavas, I. Refanidis and A. Tsoukias, "Knowledge Based Evaluation of Software Systems: A Case Study", Information and Software Technology, Elsevier, vol. 20 (5), 333-345, April 2000 (Abstract).
• D. Psillos, P. Argirakis, I. Vlahavas, E. Hatzikraniotis, I. Refanidis et. all, "Composite Virtual-Lab Environment for teaching Heat and Thermodynamics", in Proc. of 2^nd National Conference on Information and Communication Technologies in Education, Patras, Greece, October 2000 (in Greek).
• I. Lefkos, I. Refanidis et. all, "Virtual Heat Lab-Environment", in 1^st National Conference on Education and Informatics, Thessaloniki, Greece, November 2000 (in Greek).
• I. Refanidis, K. Korobilis et. all, "Virtual Thermodynamics Heat Lab-Environment", in 1^st National Conference on Education and Informatics, Thessaloniki, Greece, November 2000 (in Greek).
• I. Vlahavas, I. Refanidis and E. Sakellariou, "A Multimedia System for teaching Prolog", in 1^st National Conference on Education and Informatics, Thessaloniki, Greece, November 2000 (in Greek).

1999

• D. Vrakas, I. Refanidis, F. Milcent and I. Vlahavas, "On the parallelization of Greedy Regression Tables ", 18^th UK Planning and Scheduling SIG meeting. Manchester, UK, December 1999, pp.180-189 (zipped postscript).
• I. Refanidis, I. Vlahavas and L. Tsoukalas, "On Determining and Completing Incomplete States in STRIPS Domains", IEEE International Conference on Information, Intelligence and Systems, pp. 289-296. Washington D.C., November 1-3, 1999 (Abstract) (zipped postscript).
• I. Refanidis and I. Vlahavas, "GRT: A Domain Independent Heuristic for STRIPS Worlds based on Greedy Regression Tables", 5th European Conference on Planning (ECP-99), Durham, UK, Springer-Verlag, September 8-10, 1999, pp. 346-358 (Abstract) (zipped postscript).
• I. Vlahavas, I. Stamelos, I. Refanidis and A. Tsoukias, "ESSE: An Expert System for Software Evaluation", Knowledge-Based Systems, Elsevier, vol. 12(4), pp. 183-197, 1999 (Abstract).
• I. Refanidis, I. Vlahavas, "SSPOP: A State Space Partial-Order Planner", SCI '99: The 3rd World Multiconference on Systemics, Cybernetics and Informatics, and ISAS '99: The 5th International Conference on Information Systems Analysis and Synthesis, Orlando, pp. V240-247. Florida, 31 July - 4 August 1999 (Abstract) (zipped postscript).
• I. Refanidis and I. Vlahavas, "A Heuristic Based Approach to Planning in Strips Domains", 7th Hellenic Conference on Informatics, Ioannina, Greece, 26-29 August, 1999, pp. V96-103 (Abstract).
• I. Stamelos, I. Refanidis, P. Katsaros, A. Tsoukias, I. Vlahavas and A. Pombortsis, "Automating the Evaluation of Educational Software", 5th International Conf. Of the Decision Sciences Institute, DSI '99, Athens 1999, pp. 1369-1373 (Abstract).

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